#include <iostream>
#include <string>
#include <sstream>
using namespace std;
 int main() {
std::string response;
std::string thisresponse = "";
bool _break = false;
int y = 1;
int x = 2;
while (!_break) {
std::cout << "e" << "n" << "t" << "e" << "r" << " " << "a" << " " << "n" << "u" << "m" << "b" << "e" << "r" << std::endl;
std::getline(std::cin, response);
int thisresponse;
std::istringstream ss(response);
 if(!(ss >> thisresponse)) {
std::cout << "Invalid input." << std::endl; 
 continue;
}

if (y = ((((3)  *  (2))  +  ((1)  *  (4)))  *  (thisresponse))) {
std::cout << "y" << " " << "=" << " " << y << std::endl;
y = (x = (1));
std::cout << "y" << " " << "=" << " " << y << std::endl;
std::cout << "x" << " " << "=" << " " << x << std::endl;
_break = true;

}

else {
break;

}

}

y = (100);
std::cout << y << std::endl;
}
